Foot of an upright vacuum cleaner



FIG. 1 is a top elevational view of a foot for an upright vacuum cleaner showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right side elevational view thereof; and,

FIG. 4 is a left side elevational view thereof.

In FIGS. 1, 2, 3, and 4 the broken lines showing the upright vacuum and associated details are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a foot of an upright vacuum cleaner, as shown and described. 